they are checking for any connections between tamerlan tsarnaev and this unsolved triple murder. the connections between these two crimes may be coincidental. there is no reason at this point to say there is more. but as the d.a. looks into this further, watch this space. >>> simply stated, there is no doubt that saddam hussein now has weapons of mass destruction. there is no doubt that he is amassing them to use against our friends, against our allies, and against us. >> not true, it turns out. when it comes to understanding what dick cheney was falsely alleging there, there is really no doubt what he was alleging, right? wmds, chemical weapons, biological weapons, that's what weapons of mass destruction means, right? why did the boston marathon bomber suspect get accused of wmds? there is an explanation coming up. [ male announcer ] this is bob, a regular guy with an irregular heartbeat. the usual, bob? not today. [ male announcer ] bob has afib: atrial fibrillation not caused by a heart valve problem, a condition that puts him at greater risk for a stroke. [ gps ] turn left. i